John Howard

Dan Matthews

Mala Powers

Gina Matthews

May Wynn

Concha Ramsey

Gerald Milton

Dr. Ramsey

Duane Grey

Lino

Richard Gilden

Raoul Koom

Gerald Gilden

Raoul Koom

Sir Lancelot

Sir Lancelot

Patrick O'Moore

Dr. Willoughby

William Hamel

Mr. Trainor

Martín Garralaga

Lead Villager

Charles Grey

Jim Wheatley / ?The Monster Man

Charles Postal

Higgs (butler)

Charles Cirillo

Native (uncredited)

Jim Whitecloud

Native (uncredited)

Foster Hood

Native (uncredited)

Paul Richards

Peter Morgan